public static function createProcess($inputformat, $outputformat, $apikey = null) { $instance = new self(); $instance->apikey = $apikey; $data = $instance->req('https://api.cloudconvert.com/process', array('inputformat' => $inputformat, 'outputformat' => $outputformat, 'apikey' => $apikey)); if (strpos($data->url, 'http') === false) { $data->url = "https:" . $data->url; } $instance->url = $data->url; return $instance; }